/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/* keyctl.h: keyctl command IDs
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*
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* Copyright (C) 2004, 2008 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _LINUX_KEYCTL_H
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#define _LINUX_KEYCTL_H
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#include <linux/types.h>
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/* special process keyring shortcut IDs */
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#define KEY_SPEC_THREAD_KEYRING -1 /* - key ID for thread-specific keyring */
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#define KEY_SPEC_PROCESS_KEYRING -2 /* - key ID for process-specific keyring */
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#define KEY_SPEC_SESSION_KEYRING -3 /* - key ID for session-specific keyring */
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#define KEY_SPEC_USER_KEYRING -4 /* - key ID for UID-specific keyring */
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#define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */
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#define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */
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#define KEY_SPEC_REQKEY_AUTH_KEY -7 /* - key ID for assumed request_key auth key */
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#define KEY_SPEC_REQUESTOR_KEYRING -8 /* - key ID for request_key() dest keyring */
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/* request-key default keyrings */
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#define KEY_REQKEY_DEFL_NO_CHANGE -1
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#define KEY_REQKEY_DEFL_DEFAULT 0
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#define KEY_REQKEY_DEFL_THREAD_KEYRING 1
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#define KEY_REQKEY_DEFL_PROCESS_KEYRING 2
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#define KEY_REQKEY_DEFL_SESSION_KEYRING 3
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#define KEY_REQKEY_DEFL_USER_KEYRING 4
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#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5
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#define KEY_REQKEY_DEFL_GROUP_KEYRING 6
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#define KEY_REQKEY_DEFL_REQUESTOR_KEYRING 7
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/* keyctl commands */
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#define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */
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#define KEYCTL_JOIN_SESSION_KEYRING 1 /* join or start named session keyring */
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#define KEYCTL_UPDATE 2 /* update a key */
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#define KEYCTL_REVOKE 3 /* revoke a key */
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#define KEYCTL_CHOWN 4 /* set ownership of a key */
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#define KEYCTL_SETPERM 5 /* set perms on a key */
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#define KEYCTL_DESCRIBE 6 /* describe a key */
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#define KEYCTL_CLEAR 7 /* clear contents of a keyring */
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#define KEYCTL_LINK 8 /* link a key into a keyring */
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#define KEYCTL_UNLINK 9 /* unlink a key from a keyring */
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#define KEYCTL_SEARCH 10 /* search for a key in a keyring */
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#define KEYCTL_READ 11 /* read a key or keyring's contents */
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#define KEYCTL_INSTANTIATE 12 /* instantiate a partially constructed key */
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#define KEYCTL_NEGATE 13 /* negate a partially constructed key */
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#define KEYCTL_SET_REQKEY_KEYRING 14 /* set default request-key keyring */
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#define KEYCTL_SET_TIMEOUT 15 /* set key timeout */
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#define KEYCTL_ASSUME_AUTHORITY 16 /* assume request_key() authorisation */
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#define KEYCTL_GET_SECURITY 17 /* get key security label */
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#define KEYCTL_SESSION_TO_PARENT 18 /* apply session keyring to parent process */
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#define KEYCTL_REJECT 19 /* reject a partially constructed key */
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#define KEYCTL_INSTANTIATE_IOV 20 /* instantiate a partially constructed key */
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#define KEYCTL_INVALIDATE 21 /* invalidate a key */
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#define KEYCTL_GET_PERSISTENT 22 /* get a user's persistent keyring */
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#define KEYCTL_DH_COMPUTE 23 /* Compute Diffie-Hellman values */
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#define KEYCTL_RESTRICT_KEYRING 29 /* Restrict keys allowed to link to a keyring */
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/* keyctl structures */
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struct keyctl_dh_params {
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union {
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#ifndef __cplusplus
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__s32 private;
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#endif
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__s32 priv;
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};
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__s32 prime;
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__s32 base;
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};
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struct keyctl_kdf_params {
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char __user *hashname;
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char __user *otherinfo;
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__u32 otherinfolen;
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__u32 __spare[8];
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};
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#endif /* _LINUX_KEYCTL_H */
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